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Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_l2h

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.09 100.00 95.45 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.09 100.00 95.45 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_h2l

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.09 100.00 95.45 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.09 100.00 95.45 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_l2h

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.09 100.00 95.45 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.09 100.00 95.45 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_h2l

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
90.39 93.48 90.91 83.33 90.48 93.75


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
90.39 93.48 90.91 83.33 90.48 93.75


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_l2h

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
91.69 95.65 90.91 83.33 95.24 93.33


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
91.69 95.65 90.91 83.33 95.24 93.33


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_h2l

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
90.39 93.48 90.91 83.33 90.48 93.75


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
90.39 93.48 90.91 83.33 90.48 93.75


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children

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Module Instances:
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_l2h
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_h2l
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_l2h
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_h2l
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_l2h
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_h2l
Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
TOTAL4646100.00
CONT_ASSIGN6011100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS1253232100.00
ALWAYS21933100.00

59 end else begin : gen_trigger_active_high 60 1/1 assign trigger_active = (trigger_i == 1'b1); Tests: T4 T5 T6  61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T2 T11 T13  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T6 T1 T19  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T6 T1 T19  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T2 T11 T13  149 1/1 cnt_en = 1'b1; Tests: T2 T11 T13  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T2 T11 T13  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T2 T11 T13  163 1/1 state_d = IdleSt; Tests: T62  164 1/1 cnt_clr = 1'b1; Tests: T62  165 1/1 end else if (cnt_done) begin Tests: T2 T11 T13  166 1/1 cnt_clr = 1'b1; Tests: T2 T11 T13  167 1/1 if (trigger_active) begin Tests: T2 T11 T13  168 1/1 state_d = DetectSt; Tests: T2 T11 T13  169 end else begin 170 1/1 state_d = IdleSt; Tests: T171  171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T2 T11 T13  182 1/1 cnt_en = 1'b1; Tests: T2 T11 T13  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T2 T11 T13  186 1/1 state_d = IdleSt; Tests: T189  187 1/1 cnt_clr = 1'b1; Tests: T189  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T2 T11 T13  191 1/1 state_d = StableSt; Tests: T2 T11 T13  192 1/1 cnt_clr = 1'b1; Tests: T2 T11 T13  193 1/1 event_detected_o = 1'b1; Tests: T2 T11 T13  194 1/1 event_detected_pulse_o = 1'b1; Tests: T2 T11 T13  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T2 T11 T13  206 1/1 state_d = IdleSt; Tests: T2 T53 T52  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T2 T11 T13  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_l2h
TotalCoveredPercent
Conditions222195.45
Logical222195.45
Non-Logical00
Event00

 LINE       60
 EXPRESSION (trigger_i == 1'b1)
            ---------1---------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT4,T5,T6

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT4,T5,T6
11CoveredT4,T5,T6

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT2,T11,T13

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT2,T11,T13

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT2,T11,T13

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT2,T11,T13
10CoveredT4,T5,T6
11CoveredT2,T11,T13

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT2,T11,T13
01CoveredT189
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT2,T11,T13
01CoveredT2,T53,T52
10CoveredT49

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT2,T11,T13
1-CoveredT2,T53,T52

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_l2h
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 6 100.00
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T2,T11,T13
DetectSt 168 Covered T2,T11,T13
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T2,T11,T13


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T2,T11,T13
DebounceSt->IdleSt 163 Covered T62,T171
DetectSt->IdleSt 186 Covered T189
DetectSt->StableSt 191 Covered T2,T11,T13
IdleSt->DebounceSt 148 Covered T2,T11,T13
StableSt->IdleSt 206 Covered T2,T53,T52



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
Branches 21 21 100.00
TERNARY 92 3 3 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 10 100.00
IF 219 2 2 100.00
IF 69 2 2 100.00


92 assign cnt_d = (cnt_clr) ? '0 : -1- ==> 93 (cnt_en) ? cnt_q + 1'b1 : -2- ==> ==>

Branches:
-1--2-StatusTests
1 - Covered T2,T11,T13
0 1 Covered T2,T11,T13
0 0 Covered T4,T5,T6


99 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T2,T11,T13
0 Covered T4,T5,T6


104 if (!rst_ni) begin -1- 105 cnt_q <= '0; ==> 106 end else begin 107 cnt_q <= cnt_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


140 unique case (state_q) -1- 141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 if (trigger_event && cfg_enable_i) begin -2- 148 state_d = DebounceSt; ==> 149 cnt_en = 1'b1; 150 end MISSING_ELSE ==> 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 cnt_en = 1'b1; 161 // Unconditionally go back to idle if the detector is disabled. 162 if (!cfg_enable_i) begin -3- 163 state_d = IdleSt; ==> 164 cnt_clr = 1'b1; 165 end else if (cnt_done) begin -4- 166 cnt_clr = 1'b1; 167 if (trigger_active) begin -5- 168 state_d = DetectSt; ==> 169 end else begin 170 state_d = IdleSt; ==> 171 end 172 end MISSING_ELSE ==> 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 thresh_sel = 1'b1; 182 cnt_en = 1'b1; 183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 if (!cfg_enable_i || !trigger_active) begin -6- 186 state_d = IdleSt; ==> 187 cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 if (cnt_done) begin -7- 191 state_d = StableSt; ==> 192 cnt_clr = 1'b1; 193 event_detected_o = 1'b1; 194 event_detected_pulse_o = 1'b1; 195 end MISSING_ELSE ==> (Excluded) Exclude Annotation: VC_COV_UNR 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin -8- 206 state_d = IdleSt; ==> 207 // Otherwise keep the event detected output signal high. 208 end else begin 209 event_detected_o = 1'b1; ==> 210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; ==> (Excluded) Exclude Annotation: VC_COV_UNR

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T2,T11,T13
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Covered T62
DebounceSt - 0 1 1 - - - Covered T2,T11,T13
DebounceSt - 0 1 0 - - - Covered T171
DebounceSt - 0 0 - - - - Covered T2,T11,T13
DetectSt - - - - 1 - - Covered T189
DetectSt - - - - 0 1 - Covered T2,T11,T13
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T2,T53,T52
StableSt - - - - - - 0 Covered T2,T11,T13
default - - - - - - - Excluded VC_COV_UNR


219 if (!rst_ni) begin -1- 220 state_q <= IdleSt; ==> 221 end else begin 222 state_q <= state_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


69 if (!rst_ni) begin -1- 70 trigger_active_q <= 1'b0; ==> 71 end else begin 72 trigger_active_q <= trigger_active; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_l2h
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 15 15 100.00 15 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 15 15 100.00 15 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 6803201 64 0 0
CntIncr_A 6803201 11744 0 0
CntNoWrap_A 6803201 6338022 0 0
DetectStDropOut_A 6803201 1 0 0
DetectedOut_A 6803201 1585 0 0
DetectedPulseOut_A 6803201 30 0 0
DisabledIdleSt_A 6803201 6043745 0 0
DisabledNoDetection_A 6803201 6045662 0 0
EnterDebounceSt_A 6803201 33 0 0
EnterDetectSt_A 6803201 31 0 0
EnterStableSt_A 6803201 30 0 0
PulseIsPulse_A 6803201 30 0 0
StayInStableSt 6803201 1540 0 0
gen_high_level_sva.HighLevelEvent_A 6803201 6340037 0 0
gen_not_sticky_sva.StableStDropOut_A 6803201 14 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 64 0 0
T2 701 2 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T11 0 2 0 0
T13 0 2 0 0
T27 493 0 0 0
T48 0 2 0 0
T49 0 2 0 0
T50 0 2 0 0
T52 0 2 0 0
T53 0 4 0 0
T54 0 2 0 0
T57 0 2 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 11744 0 0
T2 701 44 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T11 0 42 0 0
T13 0 20 0 0
T27 493 0 0 0
T48 0 45 0 0
T49 0 16 0 0
T50 0 47 0 0
T52 0 17 0 0
T53 0 92 0 0
T54 0 62 0 0
T57 0 81 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 6338022 0 0
T1 486 85 0 0
T4 505 104 0 0
T5 421 20 0 0
T6 460 59 0 0
T14 493 92 0 0
T15 445 44 0 0
T16 891 490 0 0
T17 527 126 0 0
T18 423 22 0 0
T23 421 20 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 1 0 0
T122 30333 0 0 0
T189 825 1 0 0
T190 429 0 0 0
T191 8122 0 0 0
T192 695 0 0 0
T193 405 0 0 0
T194 492 0 0 0
T195 502 0 0 0
T196 505 0 0 0
T197 3600 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 1585 0 0
T2 701 8 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T11 0 145 0 0
T13 0 64 0 0
T27 493 0 0 0
T48 0 42 0 0
T49 0 19 0 0
T50 0 135 0 0
T52 0 16 0 0
T53 0 42 0 0
T54 0 4 0 0
T57 0 42 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 30 0 0
T2 701 1 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T11 0 1 0 0
T13 0 1 0 0
T27 493 0 0 0
T48 0 1 0 0
T49 0 1 0 0
T50 0 1 0 0
T52 0 1 0 0
T53 0 2 0 0
T54 0 1 0 0
T57 0 1 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 6043745 0 0
T1 486 85 0 0
T4 505 104 0 0
T5 421 20 0 0
T6 460 59 0 0
T14 493 92 0 0
T15 445 44 0 0
T16 891 490 0 0
T17 527 126 0 0
T18 423 22 0 0
T23 421 20 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 6045662 0 0
T1 486 86 0 0
T4 505 105 0 0
T5 421 21 0 0
T6 460 60 0 0
T14 493 93 0 0
T15 445 45 0 0
T16 891 491 0 0
T17 527 127 0 0
T18 423 23 0 0
T23 421 21 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 33 0 0
T2 701 1 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T11 0 1 0 0
T13 0 1 0 0
T27 493 0 0 0
T48 0 1 0 0
T49 0 1 0 0
T50 0 1 0 0
T52 0 1 0 0
T53 0 2 0 0
T54 0 1 0 0
T57 0 1 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 31 0 0
T2 701 1 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T11 0 1 0 0
T13 0 1 0 0
T27 493 0 0 0
T48 0 1 0 0
T49 0 1 0 0
T50 0 1 0 0
T52 0 1 0 0
T53 0 2 0 0
T54 0 1 0 0
T57 0 1 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 30 0 0
T2 701 1 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T11 0 1 0 0
T13 0 1 0 0
T27 493 0 0 0
T48 0 1 0 0
T49 0 1 0 0
T50 0 1 0 0
T52 0 1 0 0
T53 0 2 0 0
T54 0 1 0 0
T57 0 1 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 30 0 0
T2 701 1 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T11 0 1 0 0
T13 0 1 0 0
T27 493 0 0 0
T48 0 1 0 0
T49 0 1 0 0
T50 0 1 0 0
T52 0 1 0 0
T53 0 2 0 0
T54 0 1 0 0
T57 0 1 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 1540 0 0
T2 701 7 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T11 0 143 0 0
T13 0 62 0 0
T27 493 0 0 0
T48 0 40 0 0
T49 0 18 0 0
T50 0 133 0 0
T52 0 15 0 0
T53 0 39 0 0
T54 0 3 0 0
T57 0 40 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 6340037 0 0
T1 486 86 0 0
T4 505 105 0 0
T5 421 21 0 0
T6 460 60 0 0
T14 493 93 0 0
T15 445 45 0 0
T16 891 491 0 0
T17 527 127 0 0
T18 423 23 0 0
T23 421 21 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 14 0 0
T2 701 1 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T27 493 0 0 0
T52 0 1 0 0
T53 0 1 0 0
T54 0 1 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0
T161 0 1 0 0
T170 0 1 0 0
T171 0 1 0 0
T178 0 1 0 0
T198 0 1 0 0
T199 0 1 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
TOTAL4646100.00
CONT_ASSIGN5811100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS1253232100.00
ALWAYS21933100.00

57 if (EventType inside {LowLevel, EdgeToLow}) begin : gen_trigger_active_low 58 1/1 assign trigger_active = (trigger_i == 1'b0); Tests: T4 T5 T6  59 end else begin : gen_trigger_active_high 60 assign trigger_active = (trigger_i == 1'b1); 61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T7 T9 T13  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T6 T1 T19  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T6 T1 T19  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T7 T9 T13  149 1/1 cnt_en = 1'b1; Tests: T7 T9 T13  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T7 T9 T13  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T7 T9 T13  163 1/1 state_d = IdleSt; Tests: T62  164 1/1 cnt_clr = 1'b1; Tests: T62  165 1/1 end else if (cnt_done) begin Tests: T7 T9 T13  166 1/1 cnt_clr = 1'b1; Tests: T7 T9 T13  167 1/1 if (trigger_active) begin Tests: T7 T9 T13  168 1/1 state_d = DetectSt; Tests: T7 T9 T13  169 end else begin 170 1/1 state_d = IdleSt; Tests: T175  171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T7 T9 T13  182 1/1 cnt_en = 1'b1; Tests: T7 T9 T13  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T7 T9 T13  186 1/1 state_d = IdleSt; Tests: T7  187 1/1 cnt_clr = 1'b1; Tests: T7  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T7 T9 T13  191 1/1 state_d = StableSt; Tests: T7 T9 T13  192 1/1 cnt_clr = 1'b1; Tests: T7 T9 T13  193 1/1 event_detected_o = 1'b1; Tests: T7 T9 T13  194 1/1 event_detected_pulse_o = 1'b1; Tests: T7 T9 T13  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T7 T9 T13  206 1/1 state_d = IdleSt; Tests: T13 T49 T162  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T7 T9 T13  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_h2l
TotalCoveredPercent
Conditions222195.45
Logical222195.45
Non-Logical00
Event00

 LINE       58
 EXPRESSION (trigger_i == 1'b0)
            ---------1---------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT4,T5,T6

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT4,T5,T6
11CoveredT4,T5,T6

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT7,T9,T13

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT7,T9,T13

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT7,T9,T13

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT7,T9,T13
10CoveredT4,T5,T23
11CoveredT7,T9,T13

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT7,T9,T13
01CoveredT7
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT7,T9,T13
01CoveredT13,T162,T200
10CoveredT49

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT7,T9,T13
1-CoveredT13,T162,T200

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_h2l
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 6 100.00
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T7,T9,T13
DetectSt 168 Covered T7,T9,T13
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T7,T9,T13


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T7,T9,T13
DebounceSt->IdleSt 163 Covered T62,T175
DetectSt->IdleSt 186 Covered T7
DetectSt->StableSt 191 Covered T7,T9,T13
IdleSt->DebounceSt 148 Covered T7,T9,T13
StableSt->IdleSt 206 Covered T7,T13,T81



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
Branches 21 21 100.00
TERNARY 92 3 3 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 10 100.00
IF 219 2 2 100.00
IF 69 2 2 100.00


92 assign cnt_d = (cnt_clr) ? '0 : -1- ==> 93 (cnt_en) ? cnt_q + 1'b1 : -2- ==> ==>

Branches:
-1--2-StatusTests
1 - Covered T7,T9,T13
0 1 Covered T7,T9,T13
0 0 Covered T4,T5,T6


99 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T7,T9,T13
0 Covered T4,T5,T6


104 if (!rst_ni) begin -1- 105 cnt_q <= '0; ==> 106 end else begin 107 cnt_q <= cnt_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


140 unique case (state_q) -1- 141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 if (trigger_event && cfg_enable_i) begin -2- 148 state_d = DebounceSt; ==> 149 cnt_en = 1'b1; 150 end MISSING_ELSE ==> 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 cnt_en = 1'b1; 161 // Unconditionally go back to idle if the detector is disabled. 162 if (!cfg_enable_i) begin -3- 163 state_d = IdleSt; ==> 164 cnt_clr = 1'b1; 165 end else if (cnt_done) begin -4- 166 cnt_clr = 1'b1; 167 if (trigger_active) begin -5- 168 state_d = DetectSt; ==> 169 end else begin 170 state_d = IdleSt; ==> 171 end 172 end MISSING_ELSE ==> 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 thresh_sel = 1'b1; 182 cnt_en = 1'b1; 183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 if (!cfg_enable_i || !trigger_active) begin -6- 186 state_d = IdleSt; ==> 187 cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 if (cnt_done) begin -7- 191 state_d = StableSt; ==> 192 cnt_clr = 1'b1; 193 event_detected_o = 1'b1; 194 event_detected_pulse_o = 1'b1; 195 end MISSING_ELSE ==> (Excluded) Exclude Annotation: VC_COV_UNR 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin -8- 206 state_d = IdleSt; ==> 207 // Otherwise keep the event detected output signal high. 208 end else begin 209 event_detected_o = 1'b1; ==> 210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; ==> (Excluded) Exclude Annotation: VC_COV_UNR

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T7,T9,T13
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Covered T62
DebounceSt - 0 1 1 - - - Covered T7,T9,T13
DebounceSt - 0 1 0 - - - Covered T175
DebounceSt - 0 0 - - - - Covered T7,T9,T13
DetectSt - - - - 1 - - Covered T7
DetectSt - - - - 0 1 - Covered T7,T9,T13
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T13,T49,T162
StableSt - - - - - - 0 Covered T7,T9,T13
default - - - - - - - Excluded VC_COV_UNR


219 if (!rst_ni) begin -1- 220 state_q <= IdleSt; ==> 221 end else begin 222 state_q <= state_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


69 if (!rst_ni) begin -1- 70 trigger_active_q <= 1'b0; ==> 71 end else begin 72 trigger_active_q <= trigger_active; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_h2l
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 16 16 100.00 16 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 16 16 100.00 16 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 6803201 92 0 0
CntIncr_A 6803201 80417 0 0
CntNoWrap_A 6803201 6337994 0 0
DetectStDropOut_A 6803201 1 0 0
DetectedOut_A 6803201 37285 0 0
DetectedPulseOut_A 6803201 44 0 0
DisabledIdleSt_A 6803201 6143646 0 0
DisabledNoDetection_A 6803201 6145563 0 0
EnterDebounceSt_A 6803201 47 0 0
EnterDetectSt_A 6803201 45 0 0
EnterStableSt_A 6803201 44 0 0
PulseIsPulse_A 6803201 44 0 0
StayInStableSt 6803201 37217 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 6803201 1827 0 0
gen_low_level_sva.LowLevelEvent_A 6803201 6340037 0 0
gen_not_sticky_sva.StableStDropOut_A 6803201 19 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 92 0 0
T7 2883 4 0 0
T8 1058 0 0 0
T9 494 2 0 0
T13 0 2 0 0
T27 493 0 0 0
T29 656 0 0 0
T49 0 2 0 0
T64 2980 0 0 0
T76 403 0 0 0
T81 0 2 0 0
T84 449 0 0 0
T85 502 0 0 0
T115 405 0 0 0
T141 0 2 0 0
T162 0 6 0 0
T184 0 2 0 0
T200 0 2 0 0
T201 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 80417 0 0
T7 2883 68 0 0
T8 1058 0 0 0
T9 494 23 0 0
T13 0 20 0 0
T27 493 0 0 0
T29 656 0 0 0
T49 0 16 0 0
T64 2980 0 0 0
T76 403 0 0 0
T81 0 28 0 0
T84 449 0 0 0
T85 502 0 0 0
T115 405 0 0 0
T141 0 43 0 0
T162 0 78 0 0
T184 0 79 0 0
T200 0 19 0 0
T201 0 22 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 6337994 0 0
T1 486 85 0 0
T4 505 104 0 0
T5 421 20 0 0
T6 460 59 0 0
T14 493 92 0 0
T15 445 44 0 0
T16 891 490 0 0
T17 527 126 0 0
T18 423 22 0 0
T23 421 20 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 1 0 0
T7 2883 1 0 0
T8 1058 0 0 0
T9 494 0 0 0
T27 493 0 0 0
T29 656 0 0 0
T64 2980 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0
T115 405 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 37285 0 0
T7 2883 107 0 0
T8 1058 0 0 0
T9 494 38 0 0
T13 0 82 0 0
T27 493 0 0 0
T29 656 0 0 0
T49 0 20 0 0
T64 2980 0 0 0
T76 403 0 0 0
T81 0 41 0 0
T84 449 0 0 0
T85 502 0 0 0
T115 405 0 0 0
T141 0 86 0 0
T162 0 96 0 0
T184 0 195 0 0
T200 0 2 0 0
T201 0 85 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 44 0 0
T7 2883 1 0 0
T8 1058 0 0 0
T9 494 1 0 0
T13 0 1 0 0
T27 493 0 0 0
T29 656 0 0 0
T49 0 1 0 0
T64 2980 0 0 0
T76 403 0 0 0
T81 0 1 0 0
T84 449 0 0 0
T85 502 0 0 0
T115 405 0 0 0
T141 0 1 0 0
T162 0 3 0 0
T184 0 1 0 0
T200 0 1 0 0
T201 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 6143646 0 0
T1 486 85 0 0
T4 505 104 0 0
T5 421 20 0 0
T6 460 59 0 0
T14 493 92 0 0
T15 445 44 0 0
T16 891 490 0 0
T17 527 126 0 0
T18 423 22 0 0
T23 421 20 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 6145563 0 0
T1 486 86 0 0
T4 505 105 0 0
T5 421 21 0 0
T6 460 60 0 0
T14 493 93 0 0
T15 445 45 0 0
T16 891 491 0 0
T17 527 127 0 0
T18 423 23 0 0
T23 421 21 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 47 0 0
T7 2883 2 0 0
T8 1058 0 0 0
T9 494 1 0 0
T13 0 1 0 0
T27 493 0 0 0
T29 656 0 0 0
T49 0 1 0 0
T64 2980 0 0 0
T76 403 0 0 0
T81 0 1 0 0
T84 449 0 0 0
T85 502 0 0 0
T115 405 0 0 0
T141 0 1 0 0
T162 0 3 0 0
T184 0 1 0 0
T200 0 1 0 0
T201 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 45 0 0
T7 2883 2 0 0
T8 1058 0 0 0
T9 494 1 0 0
T13 0 1 0 0
T27 493 0 0 0
T29 656 0 0 0
T49 0 1 0 0
T64 2980 0 0 0
T76 403 0 0 0
T81 0 1 0 0
T84 449 0 0 0
T85 502 0 0 0
T115 405 0 0 0
T141 0 1 0 0
T162 0 3 0 0
T184 0 1 0 0
T200 0 1 0 0
T201 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 44 0 0
T7 2883 1 0 0
T8 1058 0 0 0
T9 494 1 0 0
T13 0 1 0 0
T27 493 0 0 0
T29 656 0 0 0
T49 0 1 0 0
T64 2980 0 0 0
T76 403 0 0 0
T81 0 1 0 0
T84 449 0 0 0
T85 502 0 0 0
T115 405 0 0 0
T141 0 1 0 0
T162 0 3 0 0
T184 0 1 0 0
T200 0 1 0 0
T201 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 44 0 0
T7 2883 1 0 0
T8 1058 0 0 0
T9 494 1 0 0
T13 0 1 0 0
T27 493 0 0 0
T29 656 0 0 0
T49 0 1 0 0
T64 2980 0 0 0
T76 403 0 0 0
T81 0 1 0 0
T84 449 0 0 0
T85 502 0 0 0
T115 405 0 0 0
T141 0 1 0 0
T162 0 3 0 0
T184 0 1 0 0
T200 0 1 0 0
T201 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 37217 0 0
T7 2883 105 0 0
T8 1058 0 0 0
T9 494 36 0 0
T13 0 81 0 0
T27 493 0 0 0
T29 656 0 0 0
T49 0 19 0 0
T64 2980 0 0 0
T76 403 0 0 0
T81 0 39 0 0
T84 449 0 0 0
T85 502 0 0 0
T115 405 0 0 0
T141 0 84 0 0
T162 0 92 0 0
T184 0 193 0 0
T200 0 1 0 0
T201 0 83 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 1827 0 0
T1 486 0 0 0
T2 0 2 0 0
T4 505 6 0 0
T5 421 4 0 0
T6 460 0 0 0
T14 493 6 0 0
T15 445 3 0 0
T16 891 5 0 0
T17 527 6 0 0
T18 423 2 0 0
T21 0 6 0 0
T23 421 3 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 6340037 0 0
T1 486 86 0 0
T4 505 105 0 0
T5 421 21 0 0
T6 460 60 0 0
T14 493 93 0 0
T15 445 45 0 0
T16 891 491 0 0
T17 527 127 0 0
T18 423 23 0 0
T23 421 21 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 19 0 0
T13 597 1 0 0
T40 531 0 0 0
T68 443 0 0 0
T78 1358 0 0 0
T89 496 0 0 0
T95 504 0 0 0
T149 419 0 0 0
T150 553 0 0 0
T151 493 0 0 0
T162 0 2 0 0
T163 0 1 0 0
T169 0 1 0 0
T172 0 1 0 0
T187 0 1 0 0
T188 0 1 0 0
T200 0 1 0 0
T202 0 1 0 0
T203 0 1 0 0
T204 439 0 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
TOTAL4646100.00
CONT_ASSIGN6011100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS1253232100.00
ALWAYS21933100.00

59 end else begin : gen_trigger_active_high 60 1/1 assign trigger_active = (trigger_i == 1'b1); Tests: T4 T5 T23  61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T23  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T2 T9 T11  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T6 T1 T19  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T6 T1 T19  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T23  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T23  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T23  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T23  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T23  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T23  139 140 1/1 unique case (state_q) Tests: T4 T5 T23  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T23  148 1/1 state_d = DebounceSt; Tests: T2 T9 T11  149 1/1 cnt_en = 1'b1; Tests: T2 T9 T11  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T2 T9 T11  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T2 T9 T11  163 1/1 state_d = IdleSt; Tests: T62  164 1/1 cnt_clr = 1'b1; Tests: T62  165 1/1 end else if (cnt_done) begin Tests: T2 T9 T11  166 1/1 cnt_clr = 1'b1; Tests: T2 T9 T11  167 1/1 if (trigger_active) begin Tests: T2 T9 T11  168 1/1 state_d = DetectSt; Tests: T2 T9 T11  169 end else begin 170 1/1 state_d = IdleSt; Tests: T55 T174 T205  171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T2 T9 T11  182 1/1 cnt_en = 1'b1; Tests: T2 T9 T11  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T2 T9 T11  186 1/1 state_d = IdleSt; Tests: T9 T58  187 1/1 cnt_clr = 1'b1; Tests: T9 T58  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T2 T11 T13  191 1/1 state_d = StableSt; Tests: T2 T11 T13  192 1/1 cnt_clr = 1'b1; Tests: T2 T11 T13  193 1/1 event_detected_o = 1'b1; Tests: T2 T11 T13  194 1/1 event_detected_pulse_o = 1'b1; Tests: T2 T11 T13  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T2 T11 T13  206 1/1 state_d = IdleSt; Tests: T2 T13 T48  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T2 T11 T13  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_l2h
TotalCoveredPercent
Conditions222195.45
Logical222195.45
Non-Logical00
Event00

 LINE       60
 EXPRESSION (trigger_i == 1'b1)
            ---------1---------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT4,T5,T23

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT4,T5,T23
11CoveredT4,T5,T23

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT2,T9,T11

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT2,T9,T11

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT2,T9,T11

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT2,T9,T11
10CoveredT4,T5,T23
11CoveredT2,T9,T11

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT2,T11,T13
01CoveredT9,T58
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT2,T11,T13
01CoveredT2,T13,T48
10CoveredT49

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT2,T11,T13
1-CoveredT2,T13,T48

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_l2h
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 6 100.00
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T2,T9,T11
DetectSt 168 Covered T2,T9,T11
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T2,T11,T13


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T2,T9,T11
DebounceSt->IdleSt 163 Covered T55,T62,T174
DetectSt->IdleSt 186 Covered T9,T58
DetectSt->StableSt 191 Covered T2,T11,T13
IdleSt->DebounceSt 148 Covered T2,T9,T11
StableSt->IdleSt 206 Covered T2,T13,T48



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
Branches 21 21 100.00
TERNARY 92 3 3 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 10 100.00
IF 219 2 2 100.00
IF 69 2 2 100.00


92 assign cnt_d = (cnt_clr) ? '0 : -1- ==> 93 (cnt_en) ? cnt_q + 1'b1 : -2- ==> ==>

Branches:
-1--2-StatusTests
1 - Covered T2,T9,T11
0 1 Covered T2,T9,T11
0 0 Covered T4,T5,T6


99 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T2,T9,T11
0 Covered T4,T5,T6


104 if (!rst_ni) begin -1- 105 cnt_q <= '0; ==> 106 end else begin 107 cnt_q <= cnt_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


140 unique case (state_q) -1- 141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 if (trigger_event && cfg_enable_i) begin -2- 148 state_d = DebounceSt; ==> 149 cnt_en = 1'b1; 150 end MISSING_ELSE ==> 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 cnt_en = 1'b1; 161 // Unconditionally go back to idle if the detector is disabled. 162 if (!cfg_enable_i) begin -3- 163 state_d = IdleSt; ==> 164 cnt_clr = 1'b1; 165 end else if (cnt_done) begin -4- 166 cnt_clr = 1'b1; 167 if (trigger_active) begin -5- 168 state_d = DetectSt; ==> 169 end else begin 170 state_d = IdleSt; ==> 171 end 172 end MISSING_ELSE ==> 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 thresh_sel = 1'b1; 182 cnt_en = 1'b1; 183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 if (!cfg_enable_i || !trigger_active) begin -6- 186 state_d = IdleSt; ==> 187 cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 if (cnt_done) begin -7- 191 state_d = StableSt; ==> 192 cnt_clr = 1'b1; 193 event_detected_o = 1'b1; 194 event_detected_pulse_o = 1'b1; 195 end MISSING_ELSE ==> (Excluded) Exclude Annotation: VC_COV_UNR 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin -8- 206 state_d = IdleSt; ==> 207 // Otherwise keep the event detected output signal high. 208 end else begin 209 event_detected_o = 1'b1; ==> 210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; ==> (Excluded) Exclude Annotation: VC_COV_UNR

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T2,T9,T11
IdleSt 0 - - - - - - Covered T4,T5,T23
DebounceSt - 1 - - - - - Covered T62
DebounceSt - 0 1 1 - - - Covered T2,T9,T11
DebounceSt - 0 1 0 - - - Covered T55,T174,T205
DebounceSt - 0 0 - - - - Covered T2,T9,T11
DetectSt - - - - 1 - - Covered T9,T58
DetectSt - - - - 0 1 - Covered T2,T11,T13
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T2,T13,T48
StableSt - - - - - - 0 Covered T2,T11,T13
default - - - - - - - Excluded VC_COV_UNR


219 if (!rst_ni) begin -1- 220 state_q <= IdleSt; ==> 221 end else begin 222 state_q <= state_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


69 if (!rst_ni) begin -1- 70 trigger_active_q <= 1'b0; ==> 71 end else begin 72 trigger_active_q <= trigger_active; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_l2h
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 15 15 100.00 15 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 15 15 100.00 15 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 6803201 79 0 0
CntIncr_A 6803201 49741 0 0
CntNoWrap_A 6803201 6338007 0 0
DetectStDropOut_A 6803201 2 0 0
DetectedOut_A 6803201 3448 0 0
DetectedPulseOut_A 6803201 35 0 0
DisabledIdleSt_A 6803201 6268399 0 0
DisabledNoDetection_A 6803201 6270321 0 0
EnterDebounceSt_A 6803201 42 0 0
EnterDetectSt_A 6803201 37 0 0
EnterStableSt_A 6803201 35 0 0
PulseIsPulse_A 6803201 35 0 0
StayInStableSt 6803201 3398 0 0
gen_high_level_sva.HighLevelEvent_A 6803201 6340037 0 0
gen_not_sticky_sva.StableStDropOut_A 6803201 19 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 79 0 0
T2 701 2 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T9 0 2 0 0
T11 0 2 0 0
T13 0 2 0 0
T27 493 0 0 0
T48 0 4 0 0
T49 0 2 0 0
T54 0 2 0 0
T55 0 1 0 0
T58 0 2 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0
T162 0 4 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 49741 0 0
T2 701 44 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T9 0 23 0 0
T11 0 42 0 0
T13 0 20 0 0
T27 493 0 0 0
T48 0 188 0 0
T49 0 16 0 0
T54 0 62 0 0
T55 0 13 0 0
T58 0 78 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0
T162 0 52 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 6338007 0 0
T1 486 85 0 0
T4 505 104 0 0
T5 421 20 0 0
T6 460 59 0 0
T14 493 92 0 0
T15 445 44 0 0
T16 891 490 0 0
T17 527 126 0 0
T18 423 22 0 0
T23 421 20 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 2 0 0
T9 494 1 0 0
T10 506 0 0 0
T28 495 0 0 0
T30 650 0 0 0
T31 463 0 0 0
T58 0 1 0 0
T65 445 0 0 0
T93 526 0 0 0
T94 504 0 0 0
T115 405 0 0 0
T116 427 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 3448 0 0
T2 701 92 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T11 0 63 0 0
T13 0 70 0 0
T27 493 0 0 0
T48 0 42 0 0
T49 0 18 0 0
T54 0 287 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0
T161 0 184 0 0
T162 0 201 0 0
T186 0 67 0 0
T198 0 132 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 35 0 0
T2 701 1 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T11 0 1 0 0
T13 0 1 0 0
T27 493 0 0 0
T48 0 2 0 0
T49 0 1 0 0
T54 0 1 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0
T161 0 2 0 0
T162 0 2 0 0
T186 0 1 0 0
T198 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 6268399 0 0
T1 486 85 0 0
T4 505 104 0 0
T5 421 20 0 0
T6 460 59 0 0
T14 493 92 0 0
T15 445 44 0 0
T16 891 490 0 0
T17 527 126 0 0
T18 423 22 0 0
T23 421 20 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 6270321 0 0
T1 486 86 0 0
T4 505 105 0 0
T5 421 21 0 0
T6 460 60 0 0
T14 493 93 0 0
T15 445 45 0 0
T16 891 491 0 0
T17 527 127 0 0
T18 423 23 0 0
T23 421 21 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 42 0 0
T2 701 1 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T9 0 1 0 0
T11 0 1 0 0
T13 0 1 0 0
T27 493 0 0 0
T48 0 2 0 0
T49 0 1 0 0
T54 0 1 0 0
T55 0 1 0 0
T58 0 1 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0
T162 0 2 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 37 0 0
T2 701 1 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T9 0 1 0 0
T11 0 1 0 0
T13 0 1 0 0
T27 493 0 0 0
T48 0 2 0 0
T49 0 1 0 0
T54 0 1 0 0
T58 0 1 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0
T161 0 2 0 0
T162 0 2 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 35 0 0
T2 701 1 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T11 0 1 0 0
T13 0 1 0 0
T27 493 0 0 0
T48 0 2 0 0
T49 0 1 0 0
T54 0 1 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0
T161 0 2 0 0
T162 0 2 0 0
T186 0 1 0 0
T198 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 35 0 0
T2 701 1 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T11 0 1 0 0
T13 0 1 0 0
T27 493 0 0 0
T48 0 2 0 0
T49 0 1 0 0
T54 0 1 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0
T161 0 2 0 0
T162 0 2 0 0
T186 0 1 0 0
T198 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 3398 0 0
T2 701 91 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T11 0 61 0 0
T13 0 69 0 0
T27 493 0 0 0
T48 0 39 0 0
T49 0 17 0 0
T54 0 285 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0
T161 0 181 0 0
T162 0 198 0 0
T186 0 65 0 0
T198 0 131 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 6340037 0 0
T1 486 86 0 0
T4 505 105 0 0
T5 421 21 0 0
T6 460 60 0 0
T14 493 93 0 0
T15 445 45 0 0
T16 891 491 0 0
T17 527 127 0 0
T18 423 23 0 0
T23 421 21 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 19 0 0
T2 701 1 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T13 0 1 0 0
T27 493 0 0 0
T48 0 1 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0
T161 0 1 0 0
T162 0 1 0 0
T163 0 2 0 0
T180 0 1 0 0
T198 0 1 0 0
T202 0 1 0 0
T206 0 1 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
TOTAL464393.48
CONT_ASSIGN5811100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125322990.62
ALWAYS21933100.00

57 if (EventType inside {LowLevel, EdgeToLow}) begin : gen_trigger_active_low 58 1/1 assign trigger_active = (trigger_i == 1'b0); Tests: T4 T5 T23  59 end else begin : gen_trigger_active_high 60 assign trigger_active = (trigger_i == 1'b1); 61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T9 T55 T48  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T6 T1 T19  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T6 T1 T19  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T9 T55 T48  149 1/1 cnt_en = 1'b1; Tests: T9 T55 T48  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T9 T55 T48  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T9 T55 T48  163 1/1 state_d = IdleSt; Tests: T62  164 1/1 cnt_clr = 1'b1; Tests: T62  165 1/1 end else if (cnt_done) begin Tests: T9 T55 T48  166 1/1 cnt_clr = 1'b1; Tests: T9 T55 T48  167 1/1 if (trigger_active) begin Tests: T9 T55 T48  168 1/1 state_d = DetectSt; Tests: T9 T55 T48  169 end else begin 170 0/1 ==> state_d = IdleSt; 171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T9 T55 T48  182 1/1 cnt_en = 1'b1; Tests: T9 T55 T48  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T9 T55 T48  186 0/1 ==> state_d = IdleSt; 187 0/1 ==> cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T9 T55 T48  191 1/1 state_d = StableSt; Tests: T9 T55 T48  192 1/1 cnt_clr = 1'b1; Tests: T9 T55 T48  193 1/1 event_detected_o = 1'b1; Tests: T9 T55 T48  194 1/1 event_detected_pulse_o = 1'b1; Tests: T9 T55 T48  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T9 T55 T48  206 1/1 state_d = IdleSt; Tests: T48 T49 T162  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T9 T55 T48  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_h2l
TotalCoveredPercent
Conditions222090.91
Logical222090.91
Non-Logical00
Event00

 LINE       58
 EXPRESSION (trigger_i == 1'b0)
            ---------1---------
-1-StatusTests
0CoveredT4,T5,T23
1CoveredT4,T5,T6

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T5,T23
10CoveredT4,T5,T6
11CoveredT4,T5,T6

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT9,T55,T48

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT9,T55,T48

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT9,T55,T48

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT9,T11,T51
10CoveredT4,T5,T23
11CoveredT9,T55,T48

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT9,T55,T48
01Not Covered
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT9,T55,T48
01CoveredT48,T162,T50
10CoveredT49

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT9,T55,T48
1-CoveredT48,T162,T50

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_h2l
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 5 83.33
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T9,T55,T48
DetectSt 168 Covered T9,T55,T48
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T9,T55,T48


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T9,T55,T48
DebounceSt->IdleSt 163 Covered T62
DetectSt->IdleSt 186 Not Covered
DetectSt->StableSt 191 Covered T9,T55,T48
IdleSt->DebounceSt 148 Covered T9,T55,T48
StableSt->IdleSt 206 Covered T48,T49,T162



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
Branches 21 19 90.48
TERNARY 92 3 3 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 8 80.00
IF 219 2 2 100.00
IF 69 2 2 100.00


92 assign cnt_d = (cnt_clr) ? '0 : -1- ==> 93 (cnt_en) ? cnt_q + 1'b1 : -2- ==> ==>

Branches:
-1--2-StatusTests
1 - Covered T9,T55,T48
0 1 Covered T9,T55,T48
0 0 Covered T4,T5,T6


99 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T9,T55,T48
0 Covered T4,T5,T6


104 if (!rst_ni) begin -1- 105 cnt_q <= '0; ==> 106 end else begin 107 cnt_q <= cnt_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


140 unique case (state_q) -1- 141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 if (trigger_event && cfg_enable_i) begin -2- 148 state_d = DebounceSt; ==> 149 cnt_en = 1'b1; 150 end MISSING_ELSE ==> 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 cnt_en = 1'b1; 161 // Unconditionally go back to idle if the detector is disabled. 162 if (!cfg_enable_i) begin -3- 163 state_d = IdleSt; ==> 164 cnt_clr = 1'b1; 165 end else if (cnt_done) begin -4- 166 cnt_clr = 1'b1; 167 if (trigger_active) begin -5- 168 state_d = DetectSt; ==> 169 end else begin 170 state_d = IdleSt; ==> 171 end 172 end MISSING_ELSE ==> 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 thresh_sel = 1'b1; 182 cnt_en = 1'b1; 183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 if (!cfg_enable_i || !trigger_active) begin -6- 186 state_d = IdleSt; ==> 187 cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 if (cnt_done) begin -7- 191 state_d = StableSt; ==> 192 cnt_clr = 1'b1; 193 event_detected_o = 1'b1; 194 event_detected_pulse_o = 1'b1; 195 end MISSING_ELSE ==> (Excluded) Exclude Annotation: VC_COV_UNR 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin -8- 206 state_d = IdleSt; ==> 207 // Otherwise keep the event detected output signal high. 208 end else begin 209 event_detected_o = 1'b1; ==> 210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; ==> (Excluded) Exclude Annotation: VC_COV_UNR

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T9,T55,T48
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Covered T62
DebounceSt - 0 1 1 - - - Covered T9,T55,T48
DebounceSt - 0 1 0 - - - Not Covered
DebounceSt - 0 0 - - - - Covered T9,T55,T48
DetectSt - - - - 1 - - Not Covered
DetectSt - - - - 0 1 - Covered T9,T55,T48
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T48,T49,T162
StableSt - - - - - - 0 Covered T9,T55,T48
default - - - - - - - Excluded VC_COV_UNR


219 if (!rst_ni) begin -1- 220 state_q <= IdleSt; ==> 221 end else begin 222 state_q <= state_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


69 if (!rst_ni) begin -1- 70 trigger_active_q <= 1'b0; ==> 71 end else begin 72 trigger_active_q <= trigger_active; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_h2l
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 16 16 100.00 15 93.75
Cover properties 0 0 0
Cover sequences 0 0 0
Total 16 16 100.00 15 93.75




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 6803201 69 0 0
CntIncr_A 6803201 160774 0 0
CntNoWrap_A 6803201 6338017 0 0
DetectStDropOut_A 6803201 0 0 0
DetectedOut_A 6803201 2605 0 0
DetectedPulseOut_A 6803201 34 0 0
DisabledIdleSt_A 6803201 5988056 0 0
DisabledNoDetection_A 6803201 5989972 0 0
EnterDebounceSt_A 6803201 35 0 0
EnterDetectSt_A 6803201 34 0 0
EnterStableSt_A 6803201 34 0 0
PulseIsPulse_A 6803201 34 0 0
StayInStableSt 6803201 2554 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 6803201 5448 0 0
gen_low_level_sva.LowLevelEvent_A 6803201 6340037 0 0
gen_not_sticky_sva.StableStDropOut_A 6803201 16 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 69 0 0
T9 494 2 0 0
T10 506 0 0 0
T28 495 0 0 0
T30 650 0 0 0
T31 463 0 0 0
T48 0 4 0 0
T49 0 2 0 0
T50 0 4 0 0
T52 0 2 0 0
T55 0 2 0 0
T62 0 1 0 0
T65 445 0 0 0
T93 526 0 0 0
T94 504 0 0 0
T115 405 0 0 0
T116 427 0 0 0
T161 0 2 0 0
T162 0 2 0 0
T185 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 160774 0 0
T9 494 23 0 0
T10 506 0 0 0
T28 495 0 0 0
T30 650 0 0 0
T31 463 0 0 0
T48 0 139 0 0
T49 0 16 0 0
T50 0 94 0 0
T52 0 17 0 0
T55 0 13 0 0
T62 0 40 0 0
T65 445 0 0 0
T93 526 0 0 0
T94 504 0 0 0
T115 405 0 0 0
T116 427 0 0 0
T161 0 30 0 0
T162 0 26 0 0
T185 0 50 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 6338017 0 0
T1 486 85 0 0
T4 505 104 0 0
T5 421 20 0 0
T6 460 59 0 0
T14 493 92 0 0
T15 445 44 0 0
T16 891 490 0 0
T17 527 126 0 0
T18 423 22 0 0
T23 421 20 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 2605 0 0
T9 494 38 0 0
T10 506 0 0 0
T28 495 0 0 0
T30 650 0 0 0
T31 463 0 0 0
T48 0 172 0 0
T49 0 18 0 0
T50 0 177 0 0
T52 0 38 0 0
T55 0 41 0 0
T65 445 0 0 0
T93 526 0 0 0
T94 504 0 0 0
T115 405 0 0 0
T116 427 0 0 0
T161 0 77 0 0
T162 0 1 0 0
T185 0 245 0 0
T187 0 38 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 34 0 0
T9 494 1 0 0
T10 506 0 0 0
T28 495 0 0 0
T30 650 0 0 0
T31 463 0 0 0
T48 0 2 0 0
T49 0 1 0 0
T50 0 2 0 0
T52 0 1 0 0
T55 0 1 0 0
T65 445 0 0 0
T93 526 0 0 0
T94 504 0 0 0
T115 405 0 0 0
T116 427 0 0 0
T161 0 1 0 0
T162 0 1 0 0
T185 0 1 0 0
T187 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 5988056 0 0
T1 486 85 0 0
T4 505 104 0 0
T5 421 20 0 0
T6 460 59 0 0
T14 493 92 0 0
T15 445 44 0 0
T16 891 490 0 0
T17 527 126 0 0
T18 423 22 0 0
T23 421 20 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 5989972 0 0
T1 486 86 0 0
T4 505 105 0 0
T5 421 21 0 0
T6 460 60 0 0
T14 493 93 0 0
T15 445 45 0 0
T16 891 491 0 0
T17 527 127 0 0
T18 423 23 0 0
T23 421 21 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 35 0 0
T9 494 1 0 0
T10 506 0 0 0
T28 495 0 0 0
T30 650 0 0 0
T31 463 0 0 0
T48 0 2 0 0
T49 0 1 0 0
T50 0 2 0 0
T52 0 1 0 0
T55 0 1 0 0
T62 0 1 0 0
T65 445 0 0 0
T93 526 0 0 0
T94 504 0 0 0
T115 405 0 0 0
T116 427 0 0 0
T161 0 1 0 0
T162 0 1 0 0
T185 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 34 0 0
T9 494 1 0 0
T10 506 0 0 0
T28 495 0 0 0
T30 650 0 0 0
T31 463 0 0 0
T48 0 2 0 0
T49 0 1 0 0
T50 0 2 0 0
T52 0 1 0 0
T55 0 1 0 0
T65 445 0 0 0
T93 526 0 0 0
T94 504 0 0 0
T115 405 0 0 0
T116 427 0 0 0
T161 0 1 0 0
T162 0 1 0 0
T185 0 1 0 0
T187 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 34 0 0
T9 494 1 0 0
T10 506 0 0 0
T28 495 0 0 0
T30 650 0 0 0
T31 463 0 0 0
T48 0 2 0 0
T49 0 1 0 0
T50 0 2 0 0
T52 0 1 0 0
T55 0 1 0 0
T65 445 0 0 0
T93 526 0 0 0
T94 504 0 0 0
T115 405 0 0 0
T116 427 0 0 0
T161 0 1 0 0
T162 0 1 0 0
T185 0 1 0 0
T187 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 34 0 0
T9 494 1 0 0
T10 506 0 0 0
T28 495 0 0 0
T30 650 0 0 0
T31 463 0 0 0
T48 0 2 0 0
T49 0 1 0 0
T50 0 2 0 0
T52 0 1 0 0
T55 0 1 0 0
T65 445 0 0 0
T93 526 0 0 0
T94 504 0 0 0
T115 405 0 0 0
T116 427 0 0 0
T161 0 1 0 0
T162 0 1 0 0
T185 0 1 0 0
T187 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 2554 0 0
T9 494 36 0 0
T10 506 0 0 0
T28 495 0 0 0
T30 650 0 0 0
T31 463 0 0 0
T48 0 170 0 0
T49 0 17 0 0
T50 0 174 0 0
T52 0 36 0 0
T55 0 39 0 0
T65 445 0 0 0
T93 526 0 0 0
T94 504 0 0 0
T115 405 0 0 0
T116 427 0 0 0
T161 0 76 0 0
T185 0 243 0 0
T187 0 36 0 0
T198 0 61 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 5448 0 0
T1 486 0 0 0
T2 0 1 0 0
T3 0 6 0 0
T4 505 4 0 0
T5 421 2 0 0
T6 460 0 0 0
T14 493 6 0 0
T15 445 3 0 0
T16 891 0 0 0
T17 527 2 0 0
T18 423 3 0 0
T21 0 5 0 0
T23 421 2 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 6340037 0 0
T1 486 86 0 0
T4 505 105 0 0
T5 421 21 0 0
T6 460 60 0 0
T14 493 93 0 0
T15 445 45 0 0
T16 891 491 0 0
T17 527 127 0 0
T18 423 23 0 0
T23 421 21 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 16 0 0
T35 11234 0 0 0
T48 3129 2 0 0
T50 0 1 0 0
T53 771 0 0 0
T81 3731 0 0 0
T82 1430 0 0 0
T114 678 0 0 0
T126 529 0 0 0
T127 755 0 0 0
T161 0 1 0 0
T162 0 1 0 0
T163 0 1 0 0
T172 0 1 0 0
T174 0 2 0 0
T176 404 0 0 0
T177 506 0 0 0
T178 0 1 0 0
T199 0 1 0 0
T203 0 1 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
TOTAL464495.65
CONT_ASSIGN6011100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125323093.75
ALWAYS21933100.00

59 end else begin : gen_trigger_active_high 60 1/1 assign trigger_active = (trigger_i == 1'b1); Tests: T4 T5 T6  61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T2 T11 T13  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T6 T1 T19  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T6 T1 T19  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T2 T11 T13  149 1/1 cnt_en = 1'b1; Tests: T2 T11 T13  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T2 T11 T13  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T2 T11 T13  163 1/1 state_d = IdleSt; Tests: T62  164 1/1 cnt_clr = 1'b1; Tests: T62  165 1/1 end else if (cnt_done) begin Tests: T2 T11 T13  166 1/1 cnt_clr = 1'b1; Tests: T2 T11 T13  167 1/1 if (trigger_active) begin Tests: T2 T11 T13  168 1/1 state_d = DetectSt; Tests: T2 T11 T13  169 end else begin 170 1/1 state_d = IdleSt; Tests: T53 T141 T50  171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T2 T11 T13  182 1/1 cnt_en = 1'b1; Tests: T2 T11 T13  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T2 T11 T13  186 0/1 ==> state_d = IdleSt; 187 0/1 ==> cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T2 T11 T13  191 1/1 state_d = StableSt; Tests: T2 T11 T13  192 1/1 cnt_clr = 1'b1; Tests: T2 T11 T13  193 1/1 event_detected_o = 1'b1; Tests: T2 T11 T13  194 1/1 event_detected_pulse_o = 1'b1; Tests: T2 T11 T13  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T2 T11 T13  206 1/1 state_d = IdleSt; Tests: T11 T13 T58  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T2 T11 T13  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_l2h
TotalCoveredPercent
Conditions222090.91
Logical222090.91
Non-Logical00
Event00

 LINE       60
 EXPRESSION (trigger_i == 1'b1)
            ---------1---------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT4,T5,T6

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT4,T5,T6
11CoveredT4,T5,T6

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT2,T11,T13

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT2,T11,T13

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT2,T11,T13

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT2,T9,T11
10CoveredT4,T5,T6
11CoveredT2,T11,T13

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT2,T11,T13
01Not Covered
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT2,T11,T13
01CoveredT11,T13,T58
10CoveredT49

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT2,T11,T13
1-CoveredT11,T13,T58

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_l2h
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 5 83.33
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T2,T11,T13
DetectSt 168 Covered T2,T11,T13
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T2,T11,T13


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T2,T11,T13
DebounceSt->IdleSt 163 Covered T53,T141,T50
DetectSt->IdleSt 186 Not Covered
DetectSt->StableSt 191 Covered T2,T11,T13
IdleSt->DebounceSt 148 Covered T2,T11,T13
StableSt->IdleSt 206 Covered T11,T13,T58



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
Branches 21 20 95.24
TERNARY 92 3 3 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 9 90.00
IF 219 2 2 100.00
IF 69 2 2 100.00


92 assign cnt_d = (cnt_clr) ? '0 : -1- ==> 93 (cnt_en) ? cnt_q + 1'b1 : -2- ==> ==>

Branches:
-1--2-StatusTests
1 - Covered T2,T11,T13
0 1 Covered T2,T11,T13
0 0 Covered T4,T5,T6


99 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T2,T11,T13
0 Covered T4,T5,T6


104 if (!rst_ni) begin -1- 105 cnt_q <= '0; ==> 106 end else begin 107 cnt_q <= cnt_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


140 unique case (state_q) -1- 141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 if (trigger_event && cfg_enable_i) begin -2- 148 state_d = DebounceSt; ==> 149 cnt_en = 1'b1; 150 end MISSING_ELSE ==> 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 cnt_en = 1'b1; 161 // Unconditionally go back to idle if the detector is disabled. 162 if (!cfg_enable_i) begin -3- 163 state_d = IdleSt; ==> 164 cnt_clr = 1'b1; 165 end else if (cnt_done) begin -4- 166 cnt_clr = 1'b1; 167 if (trigger_active) begin -5- 168 state_d = DetectSt; ==> 169 end else begin 170 state_d = IdleSt; ==> 171 end 172 end MISSING_ELSE ==> 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 thresh_sel = 1'b1; 182 cnt_en = 1'b1; 183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 if (!cfg_enable_i || !trigger_active) begin -6- 186 state_d = IdleSt; ==> 187 cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 if (cnt_done) begin -7- 191 state_d = StableSt; ==> 192 cnt_clr = 1'b1; 193 event_detected_o = 1'b1; 194 event_detected_pulse_o = 1'b1; 195 end MISSING_ELSE ==> (Excluded) Exclude Annotation: VC_COV_UNR 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin -8- 206 state_d = IdleSt; ==> 207 // Otherwise keep the event detected output signal high. 208 end else begin 209 event_detected_o = 1'b1; ==> 210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; ==> (Excluded) Exclude Annotation: VC_COV_UNR

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T2,T11,T13
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Covered T62
DebounceSt - 0 1 1 - - - Covered T2,T11,T13
DebounceSt - 0 1 0 - - - Covered T53,T141,T50
DebounceSt - 0 0 - - - - Covered T2,T11,T13
DetectSt - - - - 1 - - Not Covered
DetectSt - - - - 0 1 - Covered T2,T11,T13
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T11,T13,T58
StableSt - - - - - - 0 Covered T2,T11,T13
default - - - - - - - Excluded VC_COV_UNR


219 if (!rst_ni) begin -1- 220 state_q <= IdleSt; ==> 221 end else begin 222 state_q <= state_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


69 if (!rst_ni) begin -1- 70 trigger_active_q <= 1'b0; ==> 71 end else begin 72 trigger_active_q <= trigger_active; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_l2h
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 15 15 100.00 14 93.33
Cover properties 0 0 0
Cover sequences 0 0 0
Total 15 15 100.00 14 93.33




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 6803201 75 0 0
CntIncr_A 6803201 110211 0 0
CntNoWrap_A 6803201 6338011 0 0
DetectStDropOut_A 6803201 0 0 0
DetectedOut_A 6803201 177331 0 0
DetectedPulseOut_A 6803201 34 0 0
DisabledIdleSt_A 6803201 5990306 0 0
DisabledNoDetection_A 6803201 5992226 0 0
EnterDebounceSt_A 6803201 41 0 0
EnterDetectSt_A 6803201 34 0 0
EnterStableSt_A 6803201 34 0 0
PulseIsPulse_A 6803201 34 0 0
StayInStableSt 6803201 177279 0 0
gen_high_level_sva.HighLevelEvent_A 6803201 6340037 0 0
gen_not_sticky_sva.StableStDropOut_A 6803201 15 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 75 0 0
T2 701 2 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T11 0 2 0 0
T13 0 4 0 0
T27 493 0 0 0
T49 0 2 0 0
T51 0 2 0 0
T53 0 3 0 0
T54 0 2 0 0
T58 0 2 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0
T141 0 1 0 0
T184 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 110211 0 0
T2 701 44 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T11 0 42 0 0
T13 0 40 0 0
T27 493 0 0 0
T49 0 16 0 0
T51 0 33 0 0
T53 0 92 0 0
T54 0 62 0 0
T58 0 78 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0
T141 0 43 0 0
T184 0 79 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 6338011 0 0
T1 486 85 0 0
T4 505 104 0 0
T5 421 20 0 0
T6 460 59 0 0
T14 493 92 0 0
T15 445 44 0 0
T16 891 490 0 0
T17 527 126 0 0
T18 423 22 0 0
T23 421 20 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 177331 0 0
T2 701 93 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T11 0 51 0 0
T13 0 81 0 0
T27 493 0 0 0
T49 0 18 0 0
T51 0 40 0 0
T53 0 156 0 0
T54 0 5 0 0
T58 0 43 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0
T162 0 195 0 0
T184 0 40 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 34 0 0
T2 701 1 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T11 0 1 0 0
T13 0 2 0 0
T27 493 0 0 0
T49 0 1 0 0
T51 0 1 0 0
T53 0 1 0 0
T54 0 1 0 0
T58 0 1 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0
T162 0 2 0 0
T184 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 5990306 0 0
T1 486 85 0 0
T4 505 104 0 0
T5 421 20 0 0
T6 460 59 0 0
T14 493 92 0 0
T15 445 44 0 0
T16 891 490 0 0
T17 527 126 0 0
T18 423 22 0 0
T23 421 20 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 5992226 0 0
T1 486 86 0 0
T4 505 105 0 0
T5 421 21 0 0
T6 460 60 0 0
T14 493 93 0 0
T15 445 45 0 0
T16 891 491 0 0
T17 527 127 0 0
T18 423 23 0 0
T23 421 21 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 41 0 0
T2 701 1 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T11 0 1 0 0
T13 0 2 0 0
T27 493 0 0 0
T49 0 1 0 0
T51 0 1 0 0
T53 0 2 0 0
T54 0 1 0 0
T58 0 1 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0
T141 0 1 0 0
T184 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 34 0 0
T2 701 1 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T11 0 1 0 0
T13 0 2 0 0
T27 493 0 0 0
T49 0 1 0 0
T51 0 1 0 0
T53 0 1 0 0
T54 0 1 0 0
T58 0 1 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0
T162 0 2 0 0
T184 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 34 0 0
T2 701 1 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T11 0 1 0 0
T13 0 2 0 0
T27 493 0 0 0
T49 0 1 0 0
T51 0 1 0 0
T53 0 1 0 0
T54 0 1 0 0
T58 0 1 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0
T162 0 2 0 0
T184 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 34 0 0
T2 701 1 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T11 0 1 0 0
T13 0 2 0 0
T27 493 0 0 0
T49 0 1 0 0
T51 0 1 0 0
T53 0 1 0 0
T54 0 1 0 0
T58 0 1 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0
T162 0 2 0 0
T184 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 177279 0 0
T2 701 91 0 0
T3 1051 0 0 0
T7 2883 0 0 0
T8 1058 0 0 0
T11 0 50 0 0
T13 0 78 0 0
T27 493 0 0 0
T49 0 17 0 0
T51 0 38 0 0
T53 0 154 0 0
T54 0 4 0 0
T58 0 42 0 0
T64 2980 0 0 0
T75 423 0 0 0
T76 403 0 0 0
T84 449 0 0 0
T85 502 0 0 0
T162 0 192 0 0
T184 0 38 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 6340037 0 0
T1 486 86 0 0
T4 505 105 0 0
T5 421 21 0 0
T6 460 60 0 0
T14 493 93 0 0
T15 445 45 0 0
T16 891 491 0 0
T17 527 127 0 0
T18 423 23 0 0
T23 421 21 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 15 0 0
T11 640 1 0 0
T12 1227 0 0 0
T13 597 1 0 0
T40 531 0 0 0
T54 0 1 0 0
T58 0 1 0 0
T67 607 0 0 0
T78 1358 0 0 0
T86 1137 0 0 0
T88 495 0 0 0
T148 437 0 0 0
T149 419 0 0 0
T161 0 1 0 0
T162 0 1 0 0
T163 0 2 0 0
T170 0 1 0 0
T186 0 1 0 0
T207 0 1 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
TOTAL464393.48
CONT_ASSIGN5811100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125322990.62
ALWAYS21933100.00

57 if (EventType inside {LowLevel, EdgeToLow}) begin : gen_trigger_active_low 58 1/1 assign trigger_active = (trigger_i == 1'b0); Tests: T4 T5 T6  59 end else begin : gen_trigger_active_high 60 assign trigger_active = (trigger_i == 1'b1); 61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T11 T53 T49  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T6 T1 T19  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T6 T1 T19  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T11 T53 T49  149 1/1 cnt_en = 1'b1; Tests: T11 T53 T49  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T11 T53 T49  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T11 T53 T49  163 1/1 state_d = IdleSt; Tests: T62  164 1/1 cnt_clr = 1'b1; Tests: T62  165 1/1 end else if (cnt_done) begin Tests: T11 T53 T49  166 1/1 cnt_clr = 1'b1; Tests: T11 T53 T49  167 1/1 if (trigger_active) begin Tests: T11 T53 T49  168 1/1 state_d = DetectSt; Tests: T11 T53 T49  169 end else begin 170 0/1 ==> state_d = IdleSt; 171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T11 T53 T49  182 1/1 cnt_en = 1'b1; Tests: T11 T53 T49  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T11 T53 T49  186 0/1 ==> state_d = IdleSt; 187 0/1 ==> cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T11 T53 T49  191 1/1 state_d = StableSt; Tests: T11 T53 T49  192 1/1 cnt_clr = 1'b1; Tests: T11 T53 T49  193 1/1 event_detected_o = 1'b1; Tests: T11 T53 T49  194 1/1 event_detected_pulse_o = 1'b1; Tests: T11 T53 T49  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T11 T53 T49  206 1/1 state_d = IdleSt; Tests: T53 T49 T162  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T11 T53 T49  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_h2l
TotalCoveredPercent
Conditions222090.91
Logical222090.91
Non-Logical00
Event00

 LINE       58
 EXPRESSION (trigger_i == 1'b0)
            ---------1---------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT4,T5,T6

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT4,T5,T6
11CoveredT4,T5,T6

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT11,T53,T49

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT11,T53,T49

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT11,T53,T49

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT2,T11,T51
10CoveredT4,T5,T6
11CoveredT11,T53,T49

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT11,T53,T49
01Not Covered
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT11,T53,T49
01CoveredT53,T162,T50
10CoveredT49

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT11,T53,T49
1-CoveredT53,T162,T50

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_h2l
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 5 83.33
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T11,T53,T49
DetectSt 168 Covered T11,T53,T49
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T11,T53,T49


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T11,T53,T49
DebounceSt->IdleSt 163 Covered T62
DetectSt->IdleSt 186 Not Covered
DetectSt->StableSt 191 Covered T11,T53,T49
IdleSt->DebounceSt 148 Covered T11,T53,T49
StableSt->IdleSt 206 Covered T53,T49,T162



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
Branches 21 19 90.48
TERNARY 92 3 3 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 8 80.00
IF 219 2 2 100.00
IF 69 2 2 100.00


92 assign cnt_d = (cnt_clr) ? '0 : -1- ==> 93 (cnt_en) ? cnt_q + 1'b1 : -2- ==> ==>

Branches:
-1--2-StatusTests
1 - Covered T11,T53,T49
0 1 Covered T11,T53,T49
0 0 Covered T4,T5,T6


99 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T11,T53,T49
0 Covered T4,T5,T6


104 if (!rst_ni) begin -1- 105 cnt_q <= '0; ==> 106 end else begin 107 cnt_q <= cnt_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


140 unique case (state_q) -1- 141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 if (trigger_event && cfg_enable_i) begin -2- 148 state_d = DebounceSt; ==> 149 cnt_en = 1'b1; 150 end MISSING_ELSE ==> 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 cnt_en = 1'b1; 161 // Unconditionally go back to idle if the detector is disabled. 162 if (!cfg_enable_i) begin -3- 163 state_d = IdleSt; ==> 164 cnt_clr = 1'b1; 165 end else if (cnt_done) begin -4- 166 cnt_clr = 1'b1; 167 if (trigger_active) begin -5- 168 state_d = DetectSt; ==> 169 end else begin 170 state_d = IdleSt; ==> 171 end 172 end MISSING_ELSE ==> 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 thresh_sel = 1'b1; 182 cnt_en = 1'b1; 183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 if (!cfg_enable_i || !trigger_active) begin -6- 186 state_d = IdleSt; ==> 187 cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 if (cnt_done) begin -7- 191 state_d = StableSt; ==> 192 cnt_clr = 1'b1; 193 event_detected_o = 1'b1; 194 event_detected_pulse_o = 1'b1; 195 end MISSING_ELSE ==> (Excluded) Exclude Annotation: VC_COV_UNR 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin -8- 206 state_d = IdleSt; ==> 207 // Otherwise keep the event detected output signal high. 208 end else begin 209 event_detected_o = 1'b1; ==> 210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; ==> (Excluded) Exclude Annotation: VC_COV_UNR

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T11,T53,T49
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Covered T62
DebounceSt - 0 1 1 - - - Covered T11,T53,T49
DebounceSt - 0 1 0 - - - Not Covered
DebounceSt - 0 0 - - - - Covered T11,T53,T49
DetectSt - - - - 1 - - Not Covered
DetectSt - - - - 0 1 - Covered T11,T53,T49
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T53,T49,T162
StableSt - - - - - - 0 Covered T11,T53,T49
default - - - - - - - Excluded VC_COV_UNR


219 if (!rst_ni) begin -1- 220 state_q <= IdleSt; ==> 221 end else begin 222 state_q <= state_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


69 if (!rst_ni) begin -1- 70 trigger_active_q <= 1'b0; ==> 71 end else begin 72 trigger_active_q <= trigger_active; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_h2l
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 16 16 100.00 15 93.75
Cover properties 0 0 0
Cover sequences 0 0 0
Total 16 16 100.00 15 93.75




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 6803201 57 0 0
CntIncr_A 6803201 21933 0 0
CntNoWrap_A 6803201 6338029 0 0
DetectStDropOut_A 6803201 0 0 0
DetectedOut_A 6803201 12498 0 0
DetectedPulseOut_A 6803201 28 0 0
DisabledIdleSt_A 6803201 6262597 0 0
DisabledNoDetection_A 6803201 6264515 0 0
EnterDebounceSt_A 6803201 29 0 0
EnterDetectSt_A 6803201 28 0 0
EnterStableSt_A 6803201 28 0 0
PulseIsPulse_A 6803201 28 0 0
StayInStableSt 6803201 12461 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 6803201 5067 0 0
gen_low_level_sva.LowLevelEvent_A 6803201 6340037 0 0
gen_not_sticky_sva.StableStDropOut_A 6803201 18 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 57 0 0
T11 640 2 0 0
T12 1227 0 0 0
T13 597 0 0 0
T40 531 0 0 0
T49 0 2 0 0
T50 0 2 0 0
T53 0 2 0 0
T54 0 2 0 0
T62 0 1 0 0
T67 607 0 0 0
T78 1358 0 0 0
T86 1137 0 0 0
T88 495 0 0 0
T148 437 0 0 0
T149 419 0 0 0
T161 0 2 0 0
T162 0 2 0 0
T186 0 4 0 0
T187 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 21933 0 0
T11 640 42 0 0
T12 1227 0 0 0
T13 597 0 0 0
T40 531 0 0 0
T49 0 16 0 0
T50 0 47 0 0
T53 0 46 0 0
T54 0 62 0 0
T62 0 39 0 0
T67 607 0 0 0
T78 1358 0 0 0
T86 1137 0 0 0
T88 495 0 0 0
T148 437 0 0 0
T149 419 0 0 0
T161 0 30 0 0
T162 0 26 0 0
T186 0 32 0 0
T187 0 18 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 6338029 0 0
T1 486 85 0 0
T4 505 104 0 0
T5 421 20 0 0
T6 460 59 0 0
T14 493 92 0 0
T15 445 44 0 0
T16 891 490 0 0
T17 527 126 0 0
T18 423 22 0 0
T23 421 20 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 12498 0 0
T11 640 51 0 0
T12 1227 0 0 0
T13 597 0 0 0
T40 531 0 0 0
T49 0 18 0 0
T50 0 101 0 0
T53 0 90 0 0
T54 0 42 0 0
T67 607 0 0 0
T78 1358 0 0 0
T86 1137 0 0 0
T88 495 0 0 0
T148 437 0 0 0
T149 419 0 0 0
T161 0 100 0 0
T162 0 40 0 0
T163 0 170 0 0
T186 0 100 0 0
T187 0 39 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 28 0 0
T11 640 1 0 0
T12 1227 0 0 0
T13 597 0 0 0
T40 531 0 0 0
T49 0 1 0 0
T50 0 1 0 0
T53 0 1 0 0
T54 0 1 0 0
T67 607 0 0 0
T78 1358 0 0 0
T86 1137 0 0 0
T88 495 0 0 0
T148 437 0 0 0
T149 419 0 0 0
T161 0 1 0 0
T162 0 1 0 0
T163 0 2 0 0
T186 0 2 0 0
T187 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 6262597 0 0
T1 486 85 0 0
T4 505 104 0 0
T5 421 20 0 0
T6 460 59 0 0
T14 493 92 0 0
T15 445 44 0 0
T16 891 490 0 0
T17 527 126 0 0
T18 423 22 0 0
T23 421 20 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 6264515 0 0
T1 486 86 0 0
T4 505 105 0 0
T5 421 21 0 0
T6 460 60 0 0
T14 493 93 0 0
T15 445 45 0 0
T16 891 491 0 0
T17 527 127 0 0
T18 423 23 0 0
T23 421 21 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 29 0 0
T11 640 1 0 0
T12 1227 0 0 0
T13 597 0 0 0
T40 531 0 0 0
T49 0 1 0 0
T50 0 1 0 0
T53 0 1 0 0
T54 0 1 0 0
T62 0 1 0 0
T67 607 0 0 0
T78 1358 0 0 0
T86 1137 0 0 0
T88 495 0 0 0
T148 437 0 0 0
T149 419 0 0 0
T161 0 1 0 0
T162 0 1 0 0
T186 0 2 0 0
T187 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 28 0 0
T11 640 1 0 0
T12 1227 0 0 0
T13 597 0 0 0
T40 531 0 0 0
T49 0 1 0 0
T50 0 1 0 0
T53 0 1 0 0
T54 0 1 0 0
T67 607 0 0 0
T78 1358 0 0 0
T86 1137 0 0 0
T88 495 0 0 0
T148 437 0 0 0
T149 419 0 0 0
T161 0 1 0 0
T162 0 1 0 0
T163 0 2 0 0
T186 0 2 0 0
T187 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 28 0 0
T11 640 1 0 0
T12 1227 0 0 0
T13 597 0 0 0
T40 531 0 0 0
T49 0 1 0 0
T50 0 1 0 0
T53 0 1 0 0
T54 0 1 0 0
T67 607 0 0 0
T78 1358 0 0 0
T86 1137 0 0 0
T88 495 0 0 0
T148 437 0 0 0
T149 419 0 0 0
T161 0 1 0 0
T162 0 1 0 0
T163 0 2 0 0
T186 0 2 0 0
T187 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 28 0 0
T11 640 1 0 0
T12 1227 0 0 0
T13 597 0 0 0
T40 531 0 0 0
T49 0 1 0 0
T50 0 1 0 0
T53 0 1 0 0
T54 0 1 0 0
T67 607 0 0 0
T78 1358 0 0 0
T86 1137 0 0 0
T88 495 0 0 0
T148 437 0 0 0
T149 419 0 0 0
T161 0 1 0 0
T162 0 1 0 0
T163 0 2 0 0
T186 0 2 0 0
T187 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 12461 0 0
T11 640 49 0 0
T12 1227 0 0 0
T13 597 0 0 0
T40 531 0 0 0
T49 0 17 0 0
T50 0 100 0 0
T53 0 89 0 0
T54 0 40 0 0
T67 607 0 0 0
T78 1358 0 0 0
T86 1137 0 0 0
T88 495 0 0 0
T148 437 0 0 0
T149 419 0 0 0
T161 0 99 0 0
T162 0 39 0 0
T163 0 168 0 0
T186 0 97 0 0
T187 0 37 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 5067 0 0
T1 486 1 0 0
T4 505 6 0 0
T5 421 2 0 0
T6 460 1 0 0
T14 493 8 0 0
T15 445 3 0 0
T16 891 0 0 0
T17 527 7 0 0
T18 423 1 0 0
T19 0 1 0 0
T23 421 3 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 6340037 0 0
T1 486 86 0 0
T4 505 105 0 0
T5 421 21 0 0
T6 460 60 0 0
T14 493 93 0 0
T15 445 45 0 0
T16 891 491 0 0
T17 527 127 0 0
T18 423 23 0 0
T23 421 21 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6803201 18 0 0
T35 11234 0 0 0
T50 0 1 0 0
T53 771 1 0 0
T81 3731 0 0 0
T82 1430 0 0 0
T114 678 0 0 0
T126 529 0 0 0
T127 755 0 0 0
T128 660 0 0 0
T161 0 1 0 0
T162 0 1 0 0
T163 0 2 0 0
T170 0 1 0 0
T171 0 2 0 0
T173 0 1 0 0
T176 404 0 0 0
T177 506 0 0 0
T180 0 1 0 0
T186 0 1 0 0

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%